Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NKR callsign genealogy
Currently held by DER NEDERLANDEN, GERRIT
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W4NKR's current licensee, walking backwards.
- Gaddis, Stephen JFLgranted 2009-12-07cancelled 2009-12-29
Successor callsigns
Callsigns held now by people who previously held W4NKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NKR, oldest first.
- DER NEDERLANDEN, GERRIT FL1994-05-03 → cancelled 2006-05-04
- Gaddis, Stephen J FL2019-10-01 active